| /******************************************************************************* |
| * Copyright (c) 2004, 2008 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.debug.internal.ui.memory; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IConfigurationElement; |
| import org.eclipse.core.runtime.IExtensionPoint; |
| import org.eclipse.core.runtime.Platform; |
| import org.eclipse.debug.core.model.IMemoryBlock; |
| import org.eclipse.debug.internal.ui.DebugUIPlugin; |
| import org.eclipse.debug.ui.IDebugUIConstants; |
| import org.eclipse.debug.ui.memory.AbstractMemoryRenderingBindingsProvider; |
| import org.eclipse.debug.ui.memory.IMemoryRendering; |
| import org.eclipse.debug.ui.memory.IMemoryRenderingBindingsListener; |
| import org.eclipse.debug.ui.memory.IMemoryRenderingManager; |
| import org.eclipse.debug.ui.memory.IMemoryRenderingType; |
| |
| /** |
| * The memory rendering manager. |
| * |
| * @see org.eclipse.debug.ui.memory.IMemoryRenderingManager |
| * @since 3.1 |
| */ |
| public class MemoryRenderingManager extends AbstractMemoryRenderingBindingsProvider implements IMemoryRenderingManager { |
| |
| // map of rendering type ids to valid rendering types |
| private Map fRenderingTypes = new HashMap(); |
| |
| // list of renderingBindings |
| private List fBindings = new ArrayList(); |
| |
| // singleton manager |
| private static MemoryRenderingManager fgDefault; |
| |
| // elements in the memory renderings extension point |
| public static final String ELEMENT_MEMORY_RENDERING_TYPE = "renderingType"; //$NON-NLS-1$ |
| public static final String ELEMENT_RENDERING_BINDINGS = "renderingBindings"; //$NON-NLS-1$ |
| |
| /** |
| * Returns the memory rendering manager. |
| * |
| * @return the memory rendering manager |
| */ |
| public static IMemoryRenderingManager getDefault() { |
| if (fgDefault == null) { |
| fgDefault = new MemoryRenderingManager(); |
| } |
| return fgDefault; |
| } |
| /** |
| * Construts a new memory rendering manager. Only to be called by DebugUIPlugin. |
| */ |
| private MemoryRenderingManager() { |
| initializeRenderings(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.ui.memory.IMemoryRenderingManager#createRendering(java.lang.String) |
| */ |
| public IMemoryRendering createRendering(String id) throws CoreException { |
| IMemoryRenderingType type = getRenderingType(id); |
| if (type != null) { |
| return type.createRendering(); |
| } |
| return null; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.ui.memory.IMemoryRenderingManager#getRenderingTypes() |
| */ |
| public IMemoryRenderingType[] getRenderingTypes() { |
| Collection types = fRenderingTypes.values(); |
| return (IMemoryRenderingType[]) types.toArray(new IMemoryRenderingType[types.size()]); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.ui.memory.IMemoryRenderingManager#getRenderingType(java.lang.String) |
| */ |
| public IMemoryRenderingType getRenderingType(String id) { |
| return (IMemoryRenderingType) fRenderingTypes.get(id); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.ui.memory.IMemoryRenderingBindingsProvider#getDefaultRenderingTypes(org.eclipse.debug.core.model.IMemoryBlock) |
| */ |
| public IMemoryRenderingType[] getDefaultRenderingTypes(IMemoryBlock block) { |
| List allTypes = new ArrayList(); |
| Iterator iterator = fBindings.iterator(); |
| while (iterator.hasNext()) { |
| RenderingBindings binding = (RenderingBindings)iterator.next(); |
| IMemoryRenderingType[] renderingTypes = binding.getDefaultRenderingTypes(block); |
| for (int i = 0; i < renderingTypes.length; i++) { |
| IMemoryRenderingType type = renderingTypes[i]; |
| if (!allTypes.contains(type)) { |
| allTypes.add(type); |
| } |
| } |
| } |
| return (IMemoryRenderingType[]) allTypes.toArray(new IMemoryRenderingType[allTypes.size()]); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.ui.memory.IMemoryRenderingBindingsProvider#getPrimaryRenderingType(org.eclipse.debug.core.model.IMemoryBlock) |
| */ |
| public IMemoryRenderingType getPrimaryRenderingType(IMemoryBlock block) { |
| Iterator iterator = fBindings.iterator(); |
| while (iterator.hasNext()) { |
| RenderingBindings binding = (RenderingBindings)iterator.next(); |
| IMemoryRenderingType renderingType = binding.getPrimaryRenderingType(block); |
| if (renderingType != null) { |
| return renderingType; |
| } |
| } |
| return null; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.ui.memory.IMemoryRenderingBindingsProvider#getRenderingTypes(org.eclipse.debug.core.model.IMemoryBlock) |
| */ |
| public IMemoryRenderingType[] getRenderingTypes(IMemoryBlock block) { |
| List allTypes = new ArrayList(); |
| Iterator iterator = fBindings.iterator(); |
| while (iterator.hasNext()) { |
| RenderingBindings binding = (RenderingBindings)iterator.next(); |
| IMemoryRenderingType[] renderingTypes = binding.getRenderingTypes(block); |
| for (int i = 0; i < renderingTypes.length; i++) { |
| IMemoryRenderingType type = renderingTypes[i]; |
| if (!allTypes.contains(type)) { |
| allTypes.add(type); |
| } |
| } |
| } |
| return (IMemoryRenderingType[]) allTypes.toArray(new IMemoryRenderingType[allTypes.size()]); |
| } |
| |
| /** |
| * Processes memory rendering contributions. |
| */ |
| private void initializeRenderings() { |
| IExtensionPoint extensionPoint= Platform.getExtensionRegistry().getExtensionPoint(DebugUIPlugin.getUniqueIdentifier(), IDebugUIConstants.EXTENSION_POINT_MEMORY_RENDERINGS); |
| IConfigurationElement[] configurationElements = extensionPoint.getConfigurationElements(); |
| for (int i = 0; i < configurationElements.length; i++) { |
| IConfigurationElement element= configurationElements[i]; |
| String name = element.getName(); |
| if (name.equals(ELEMENT_MEMORY_RENDERING_TYPE)) { |
| MemoryRenderingType type = new MemoryRenderingType(element); |
| try { |
| type.validate(); |
| fRenderingTypes.put(type.getId(), type); |
| } catch (CoreException e) { |
| DebugUIPlugin.log(e); |
| } |
| } else if (name.equals(ELEMENT_RENDERING_BINDINGS)) { |
| RenderingBindings bindings = new RenderingBindings(element); |
| try { |
| bindings.validate(); |
| fBindings.add(bindings); |
| bindings.addListener(new IMemoryRenderingBindingsListener() { |
| public void memoryRenderingBindingsChanged() { |
| fireBindingsChanged(); |
| }}); |
| } catch (CoreException e) { |
| DebugUIPlugin.log(e); |
| } |
| } |
| } |
| } |
| } |